'The US has only 19 swine flu testing centres whereas we have more than double that number.'

Tamiflu sales are allowed to be sold in the market in the US because the situation was 'out of control there', he said.

'It's out of control there. Tens of thousands of people have been affected. The fatalities are much more,' Trivedi said.

The country has 'enough Tamiflu stocks' to handle the situation, he reassured the people.

Health Minister Ghulam Nabi Azad had said earlier that India had stockpiled at least 20 million Tamiflu tablets and distributed nearly 10 million to state governments.

The virus has affected nearly 3,300 people since India reported its first case in early May; 75 people have succumbed to the infectious disease.